6648007 has 2 divisors, whose sum is σ = 6648008. Its totient is φ = 6648006.

The previous prime is 6648001. The next prime is 6648023. The reversal of 6648007 is 7008466.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6648007 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6648007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6648001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3324003 + 3324004.

It is an arithmetic number, because the mean of its divisors is an integer number (3324004).

Almost surely, 2^6648007 is an apocalyptic number.

6648007 is a deficient number, since it is larger than the sum of its proper divisors (1).

6648007 is an equidigital number, since it uses as much as digits as its factorization.

6648007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 6648007 is about 2578.3729365629. The cubic root of 6648007 is about 188.0314475083.

The spelling of 6648007 in words is "six million, six hundred forty-eight thousand, seven".